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*4Cr + *3O2 = *2Cr2O3
Ca + O = CaO =>
Ca + O = CaO
CH3CCCH3 + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
5 CH3CCCH3 + 6 KMnO4 + 9 H2SO4 = 10 CH3COOH + 6 MnSO4 + 3 K2SO4 + 4 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
MoS3 = Mo + S =>
MoS3 = Mo + 3 S
Ag + H2(SO4) = Ag(SO4) + H2 =>
Ag + H2(SO4) = Ag(SO4) + H2
CrCl2 + K3[Fe(CN)6] = K3Cl2 + Cr[Fe(CN)6] =>
CrCl2 + K3[Fe(CN)6] = K3Cl2 + Cr[Fe(CN)6]
Si2Cl4 + H2O = SiO2 + HCl + H2 =>
Si2Cl4 + 4 H2O = 2 SiO2 + 4 HCl + 2 H2
Zn + NO2{-} + H{+} = Zn2{+} + NH4 + H2O =>
14 Zn + NO2{-} + 8 H{+} = 7 Zn2{+} + NH4 + 2 H2O
HC3H5O2 + NaOH = CH3CH2COONa + H2O =>
HC3H5O2 + NaOH = CH3CH2COONa + H2O
PbO2 + HCl + HNO3 = Pb(NO3)2 + HClO4 + H2O =>
4 PbO2 + HCl + 8 HNO3 = 4 Pb(NO3)2 + HClO4 + 4 H2O
H2O + AgI = Ag2O + HI =>
H2O + 2 AgI = Ag2O + 2 HI
H2SO4 + FeSO4 + HIO = Fe2(SO4)3 + FeI3 + H2O =>
3 H2SO4 + 12 FeSO4 + 6 HIO = 5 Fe2(SO4)3 + 2 FeI3 + 6 H2O
C2H4(g) + O2 = CO2 + H2O =>
C2H4(g) + 3 O2 = 2 CO2 + 2 H2O
(NH4)3PO4(aq) + NaOH(aq) = Na3PO4(aq) + NH3(g) + H2O =>
(NH4)3PO4(aq) + 3 NaOH(aq) = Na3PO4(aq) + 3 NH3(g) + 3 H2O
CuSO4(aq) + NH3(aq) = Cu(s) + NH3SO4(aq) =>
CuSO4(aq) + NH3(aq) = Cu(s) + NH3SO4(aq)
HBr + FeO(OH) = FeBr3 + H2O =>
3 HBr + FeO(OH) = FeBr3 + 2 H2O
Cd + NaOH = Cd(OH) + Na =>
Cd + NaOH = Cd(OH) + Na
HCl + CH3COONa = CH3COOH + NaCl =>
HCl + CH3COONa = CH3COOH + NaCl
C3HCH2OH + O2 = CO2 + H2O =>
2 C3HCH2OH + 9 O2 = 8 CO2 + 4 H2O
FeCl3 + K4[Fe(CN)6] = KCl + FeK[Fe(CN)6] =>
FeCl3 + K4[Fe(CN)6] = 3 KCl + FeK[Fe(CN)6]
HNO3 + K2SO3 = K2SO4 + NO + H2O =>
2 HNO3 + 3 K2SO3 = 3 K2SO4 + 2 NO + H2O
Ag(NH3)2{+} + CH3CHO + OH{-} = Ag + CH3COO{-} + NH3 + H2O =>
2 Ag(NH3)2{+} + CH3CHO + 3 OH{-} = 2 Ag + CH3COO{-} + 4 NH3 + 2 H2O
CuS + sodium = sodiumsulfide + copper =>
CuS + 2 Na = Na2S + Cu
KOH + SiO2 = H2O + K4SiO4 =>
4 KOH + SiO2 = 2 H2O + K4SiO4
Cu + NH4OH = Cu(NH4OH) =>
Cu + NH4OH = Cu(NH4OH)
C5H11COOH + H2O = HCOOH + C5H11OH =>
C5H11COOH + H2O = HCOOH + C5H11OH
C2H2 + Na2 = NaC + H2 =>
C2H2 + Na2 = 2 NaC + H2
Ar + F = ArF2 =>
Ar + 2 F = ArF2
KMnO4 + C5H10 + H2SO4 = C4H6CO2 + MnSO4 + K2SO4 + H2O =>
8 KMnO4 + 5 C5H10 + 12 H2SO4 = 5 C4H6CO2 + 8 MnSO4 + 4 K2SO4 + 22 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HCl + Cu(NO3)2 = Cu(HCl) + NO3 =>
HCl + Cu(NO3)2 = Cu(HCl) + 2 NO3
Al(s) + S(s) = Al2S3(g) =>
2 Al(s) + 3 S(s) = Al2S3(g)
Na2S2O8 + KI + H2O = KIO3 + Na2SO4 + H2S =>
3 Na2S2O8 + 5 KI + 3 H2O = 5 KIO3 + 3 Na2SO4 + 3 H2S
Fe{2+} + MnO4{-} + H{+} = Fe{3+} + Mn{2+} + H2O =>
5 Fe{2+} + MnO4{-} + 8 H{+} = 5 Fe{3+} + Mn{2+} + 4 H2O
NaHCO3 + HCI = NaCI + CO2 + H2O =>
NaHCO3 + HCI = NaCI + CO2 + H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Na2Sn(OH)4 + NaOH + BiCl3 = Na2Sn(OH)6 + Bi + NaCl =>
3 Na2Sn(OH)4 + 6 NaOH + 2 BiCl3 = 3 Na2Sn(OH)6 + 2 Bi + 6 NaCl
K2Cr2O7 + H2SO4 + (NH4)2SO4 = K2SO4 + Cr2(SO4)3 + NO + H2O =>
5 K2Cr2O7 + 17 H2SO4 + 3(NH4)2SO4 = 5 K2SO4 + 5 Cr2(SO4)3 + 6 NO + 29 H2O
Li + CaH2 = LiH + Ca =>
2 Li + CaH2 = 2 LiH + Ca
CH2COOH + C3H7OH = CH3COOC3H7 + H2O =>
12 CH2COOH + 17 C3H7OH = 15 CH3COOC3H7 + 11 H2O
KMnO4 + H2O = HMnO4 + KOH =>
KMnO4 + H2O = HMnO4 + KOH
NH + I2 = NI3 + H2 =>
2 NH + 3 I2 = 2 NI3 + H2
NH4SCN(aq) + FeCl3(aq) = NH3 + HCl + Fe(SCN)3 =>
3 NH4SCN(aq) + FeCl3(aq) = 3 NH3 + 3 HCl + Fe(SCN)3
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Co + FeCl2 = CoCl + Fe =>
2 Co + FeCl2 = 2 CoCl + Fe
K2SO3 + HNO3 = KNO3 + H2SO3 =>
K2SO3 + 2 HNO3 = 2 KNO3 + H2SO3
K2HPO4 + H2O = K2PO4 + H3O =>
K2HPO4 + H2O = K2PO4 + H3O
Ca3P2 + KMnO4 + H2O = Ca3(PO4)2 + MnO2 + KOH =>
3 Ca3P2 + 16 KMnO4 + 8 H2O = 3 Ca3(PO4)2 + 16 MnO2 + 16 KOH
C2H3NaO2 + AgNO3 = C2H3AgO2 + NaNO3 =>
C2H3NaO2 + AgNO3 = C2H3AgO2 + NaNO3
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